The current from portable high amperage units can be applied to the object using:

Related MCQs

• The amount of amperage used for magnetic particle inspection using the prod method is determined from the:
• Which penetrant process is best suited for portable application in the field?
• Which of the following is false concerning a magnetic field in and around a hollow conductor as compared to that of a solid conductor of the same outside diameter when both are of the same magnetic material, and when the applied current is the same?
• Source-to-object distance, object-to-film distance, and source size are the three factors that control the of the radiograph.
• An advantage of using lithium sulphate in search units it that:
• An advantage of using a ceramic transducer in search units is that:
• In which magnetizing method is the current passed directly through the part, thereby setting up a magnetic field at right angles to the current flow?
• According to ASTM E709-95 in using prod technique on a 50 mm thickness plate with a prod spacing of 101 mm (4 inches), current shall be selected in the following range:
• According to ASTM E709-95 in using prods having a spacing of 19 mm (3/4 inches) and above, the magnetizing current shall be:
• Why should one avoid using a high velocity flow of a wet testing media over the test area